Familial susceptibility to acquisition of group A B-hemolytic streptococci.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002353:Carrier State / Q000453:epidemiology / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D003441:Crowding; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011233:Precipitin Tests; D012703:Serotyping; D012959:Socioeconomic Factors; D013290:Streptococcal Infections / Q000453:epidemiology / Q000235:genetics* / Q000382:microbiology; D013291:Streptococcus / Q000302:isolation & purification